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| author | Jens Axboe <axboe@kernel.dk> | 2019-08-07 12:23:57 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-08-07 12:23:57 -0600 |
| commit | 752ead44491e8c91e14d7079625c5916b30921c5 (patch) | |
| tree | 35e8ce8c5b731a922a53b6d45cc48804f0e5af11 /drivers/block | |
| parent | 2d7271501720038381d45fb3dcbe4831228fc8cc (diff) | |
| download | linux-752ead44491e8c91e14d7079625c5916b30921c5.tar.gz linux-752ead44491e8c91e14d7079625c5916b30921c5.tar.bz2 linux-752ead44491e8c91e14d7079625c5916b30921c5.zip | |
libata: add SG safety checks in SFF pio transfers
Abort processing of a command if we run out of mapped data in the
SG list. This should never happen, but a previous bug caused it to
be possible. Play it safe and attempt to abort nicely if we don't
have more SG segments left.
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
0 files changed, 0 insertions, 0 deletions